US4709423A - Toilet tank dispenser - Google Patents
Toilet tank dispenser Download PDFInfo
- Publication number
- US4709423A US4709423A US06/939,271 US93927186A US4709423A US 4709423 A US4709423 A US 4709423A US 93927186 A US93927186 A US 93927186A US 4709423 A US4709423 A US 4709423A
- Authority
- US
- United States
- Prior art keywords
- dispenser
- disinfectant
- product chamber
- chamber
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000645 desinfectant Substances 0.000 claims abstract description 53
- 230000037361 pathway Effects 0.000 claims abstract description 19
- YRIZYWQGELRKNT-UHFFFAOYSA-N 1,3,5-trichloro-1,3,5-triazinane-2,4,6-trione Chemical class ClN1C(=O)N(Cl)C(=O)N(Cl)C1=O YRIZYWQGELRKNT-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229950009390 symclosene Drugs 0.000 claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011575 calcium Substances 0.000 claims abstract description 4
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 4
- 150000001469 hydantoins Chemical class 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical class [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical class [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 3
- 239000011777 magnesium Chemical class 0.000 claims abstract description 3
- 229910052749 magnesium Chemical class 0.000 claims abstract description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical class ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000047 product Substances 0.000 claims description 42
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 6
- PIEXCQIOSMOEOU-UHFFFAOYSA-N 1-bromo-3-chloro-5,5-dimethylimidazolidine-2,4-dione Chemical group CC1(C)N(Br)C(=O)N(Cl)C1=O PIEXCQIOSMOEOU-UHFFFAOYSA-N 0.000 claims description 5
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical group [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims description 5
- 239000006227 byproduct Substances 0.000 claims description 5
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 31
- 239000000463 material Substances 0.000 abstract description 19
- 239000007789 gas Substances 0.000 description 31
- 239000000203 mixture Substances 0.000 description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000004140 cleaning Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- VRLDVERQJMEPIF-UHFFFAOYSA-N dbdmh Chemical compound CC1(C)N(Br)C(=O)N(Br)C1=O VRLDVERQJMEPIF-UHFFFAOYSA-N 0.000 description 4
- 239000003599 detergent Substances 0.000 description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 3
- LWXVCCOAQYNXNX-UHFFFAOYSA-N lithium hypochlorite Chemical compound [Li+].Cl[O-] LWXVCCOAQYNXNX-UHFFFAOYSA-N 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- YZQBYALVHAANGI-UHFFFAOYSA-N magnesium;dihypochlorite Chemical class [Mg+2].Cl[O-].Cl[O-] YZQBYALVHAANGI-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- MSFGZHUJTJBYFA-UHFFFAOYSA-M sodium dichloroisocyanurate Chemical compound [Na+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O MSFGZHUJTJBYFA-UHFFFAOYSA-M 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PQRDTUFVDILINV-UHFFFAOYSA-N bcdmh Chemical compound CC1(C)N(Cl)C(=O)N(Br)C1=O PQRDTUFVDILINV-UHFFFAOYSA-N 0.000 description 1
- 235000021028 berry Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 150000007973 cyanuric acids Chemical class 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 description 1
- 229940091173 hydantoin Drugs 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- QEHKBHWEUPXBCW-UHFFFAOYSA-N nitrogen trichloride Chemical compound ClN(Cl)Cl QEHKBHWEUPXBCW-UHFFFAOYSA-N 0.000 description 1
- IFIDXBCRSWOUSB-UHFFFAOYSA-M potassium;1,5-dichloro-4,6-dioxo-1,3,5-triazin-2-olate Chemical compound [K+].ClN1C(=O)[N-]C(=O)N(Cl)C1=O IFIDXBCRSWOUSB-UHFFFAOYSA-M 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
- E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
- E03D9/033—Devices placed inside or dispensing into the cistern
- E03D9/038—Passive dispensers, i.e. without moving parts
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
- E03D2009/024—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing using a solid substance
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
Description
TABLE I ______________________________________ Concentration (ppm available chlorine) Disinfectant 7days 14days 20 days ______________________________________ TCICA 3.7 27 30 BCDMH 0.2 0.8 0.4DBDMH 11 7.9 20 Calcium Hypochlorite 2.6 1.3 0.5 Sodium Dichlorocyanurate 423 Discon- Discon- tinuedtinued Potassium Dichlorocyanurate 30 70.5 101 ______________________________________
TABLE II ______________________________________ Time Average Concentration (Days) (ppm available chlorine) ______________________________________ 1 1.5 3 1.4 4 1.06 8 2.85 10 4.22 12 5.65 14 9.25 17 13.12 18 15.62 19 16.25 24 14.37 26 15.31 31 19.06 ______________________________________
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/939,271 US4709423A (en) | 1982-11-08 | 1986-12-10 | Toilet tank dispenser |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US44012682A | 1982-11-08 | 1982-11-08 | |
US06/939,271 US4709423A (en) | 1982-11-08 | 1986-12-10 | Toilet tank dispenser |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06608672 Continuation | 1984-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
US4709423A true US4709423A (en) | 1987-12-01 |
Family
ID=27032309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/939,271 Expired - Fee Related US4709423A (en) | 1982-11-08 | 1986-12-10 | Toilet tank dispenser |
Country Status (1)
Country | Link |
---|---|
US (1) | US4709423A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5091107A (en) * | 1989-10-20 | 1992-02-25 | The Drackett Company | Chlorine dioxide generating device |
US6055679A (en) * | 1995-03-03 | 2000-05-02 | S. C. Johnson & Son, Inc. | Passive lavatory cleanser dispensing system |
US6071483A (en) * | 1996-08-02 | 2000-06-06 | Pastore; Mauro | Reactor vessel and process for preparing a controlled-dosage chlorine dioxide solution |
US7073209B1 (en) | 2005-05-18 | 2006-07-11 | Mccormick Kevin | Passive sanitizing-tablet dispensing device |
WO2008062364A1 (en) * | 2006-11-21 | 2008-05-29 | Valagam Raghunathan | A dissolvable-material dispenser for a toilet |
US20150345123A1 (en) | 2014-05-27 | 2015-12-03 | As Ip Holdco, Llc | Sanitaryware cleaning system |
US10465366B2 (en) | 2014-05-27 | 2019-11-05 | As America, Inc. | Sanitaryware cleaning system |
USD914838S1 (en) | 2015-05-27 | 2021-03-30 | AS America Inc. | Cartridge |
Citations (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190710110A (en) * | 1907-05-01 | 1908-01-09 | Charles Nelson Holloway | Improved Disinfectant Discharging Apparatus for use in Flushing Cisterns |
US969729A (en) * | 1909-11-23 | 1910-09-06 | Anthony Edmund Smith | Apparatus for the automatic delivery of disinfectants to the flushing-water of water-closets, urinals, and the like. |
US3943582A (en) * | 1973-09-21 | 1976-03-16 | L'oreal | Holder for additive to flushing water |
US4208747A (en) * | 1978-04-18 | 1980-06-24 | The Procter & Gamble Company | Passive dosing dispenser employing trapped air bubble to provide air-lock |
US4248827A (en) * | 1978-06-12 | 1981-02-03 | The Procter & Gamble Company | Method for sanitizing toilets |
US4249274A (en) * | 1979-12-03 | 1981-02-10 | The Procter & Gamble Company | Apparatus for sanitizing toilets |
US4281421A (en) * | 1979-03-12 | 1981-08-04 | The Procter & Gamble Company | Passive dosing dispenser with improved hypochlorite cake |
US4305162A (en) * | 1980-11-10 | 1981-12-15 | The Procter & Gamble Company | Passive dosing dispenser employing captive air bubble to provide product isolation |
GB2090884A (en) * | 1980-12-19 | 1982-07-21 | Gabriel Robert Ward | Dispensing device for flushing cistern |
US4396522A (en) * | 1981-05-13 | 1983-08-02 | The Proctor & Gamble Company | Polyethylene oxide cake with reduced gelling for flush toilet wastewater sanitation |
US4432102A (en) * | 1981-10-21 | 1984-02-21 | American Cyanamid Co. | Dispensing package for automatically releasing a controlled amount of an additive solution into a water tank and bowl |
US4435857A (en) * | 1982-04-02 | 1984-03-13 | Twinoak Products, Inc. | Apparatus for cleansing and disinfecting toilet tanks and bowls |
US4438534A (en) * | 1982-03-03 | 1984-03-27 | The Drackett Company | Passive dispenser |
US4451941A (en) * | 1983-04-18 | 1984-06-05 | Sterling Drug, Inc. | Toilet bowl sanitizer dispenser |
US4453278A (en) * | 1983-01-06 | 1984-06-12 | Knomark, Inc. | Chemical dispenser |
US4459710A (en) * | 1982-10-18 | 1984-07-17 | The Drackett Company | Passive dispenser |
US4462121A (en) * | 1982-03-19 | 1984-07-31 | The Procter & Gamble Company | Passageway resistant to capillary transport |
EP0114428A1 (en) * | 1982-12-23 | 1984-08-01 | THE PROCTER & GAMBLE COMPANY | Article and method for maintaining more even concentrations of bleach in a passive dosing dispenser |
EP0115096A1 (en) * | 1982-12-23 | 1984-08-08 | THE PROCTER & GAMBLE COMPANY | Particle retaining means for bleach cake in passive dosing dispenser |
DE3315873A1 (en) * | 1983-04-30 | 1984-10-31 | Henkel KGaA, 4000 Düsseldorf | WATERCASE MACHINE |
US4480341A (en) * | 1982-02-08 | 1984-11-06 | The Drackett Company | Passive dispenser |
US4485500A (en) * | 1983-01-06 | 1984-12-04 | Knomark, Inc. | Gas binding resistant chemical dispenser |
US4507811A (en) * | 1981-07-07 | 1985-04-02 | The Clorox Company | Toilet bowl dispenser |
US4507812A (en) * | 1982-07-05 | 1985-04-02 | Lesieur-Cotelle | Dispenser for a toilet |
US4536367A (en) * | 1983-12-09 | 1985-08-20 | The Hilton-Davis Chemical Co. | Method for sanitizing toilets |
-
1986
- 1986-12-10 US US06/939,271 patent/US4709423A/en not_active Expired - Fee Related
Patent Citations (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB190710110A (en) * | 1907-05-01 | 1908-01-09 | Charles Nelson Holloway | Improved Disinfectant Discharging Apparatus for use in Flushing Cisterns |
US969729A (en) * | 1909-11-23 | 1910-09-06 | Anthony Edmund Smith | Apparatus for the automatic delivery of disinfectants to the flushing-water of water-closets, urinals, and the like. |
US3943582A (en) * | 1973-09-21 | 1976-03-16 | L'oreal | Holder for additive to flushing water |
US4208747B1 (en) * | 1978-04-18 | 1983-08-16 | ||
US4208747A (en) * | 1978-04-18 | 1980-06-24 | The Procter & Gamble Company | Passive dosing dispenser employing trapped air bubble to provide air-lock |
US4248827A (en) * | 1978-06-12 | 1981-02-03 | The Procter & Gamble Company | Method for sanitizing toilets |
US4281421A (en) * | 1979-03-12 | 1981-08-04 | The Procter & Gamble Company | Passive dosing dispenser with improved hypochlorite cake |
US4249274A (en) * | 1979-12-03 | 1981-02-10 | The Procter & Gamble Company | Apparatus for sanitizing toilets |
US4305162A (en) * | 1980-11-10 | 1981-12-15 | The Procter & Gamble Company | Passive dosing dispenser employing captive air bubble to provide product isolation |
GB2090884A (en) * | 1980-12-19 | 1982-07-21 | Gabriel Robert Ward | Dispensing device for flushing cistern |
US4396522A (en) * | 1981-05-13 | 1983-08-02 | The Proctor & Gamble Company | Polyethylene oxide cake with reduced gelling for flush toilet wastewater sanitation |
US4507811A (en) * | 1981-07-07 | 1985-04-02 | The Clorox Company | Toilet bowl dispenser |
US4432102A (en) * | 1981-10-21 | 1984-02-21 | American Cyanamid Co. | Dispensing package for automatically releasing a controlled amount of an additive solution into a water tank and bowl |
US4480341A (en) * | 1982-02-08 | 1984-11-06 | The Drackett Company | Passive dispenser |
US4438534A (en) * | 1982-03-03 | 1984-03-27 | The Drackett Company | Passive dispenser |
US4462121A (en) * | 1982-03-19 | 1984-07-31 | The Procter & Gamble Company | Passageway resistant to capillary transport |
US4435857A (en) * | 1982-04-02 | 1984-03-13 | Twinoak Products, Inc. | Apparatus for cleansing and disinfecting toilet tanks and bowls |
US4507812A (en) * | 1982-07-05 | 1985-04-02 | Lesieur-Cotelle | Dispenser for a toilet |
US4459710A (en) * | 1982-10-18 | 1984-07-17 | The Drackett Company | Passive dispenser |
EP0114428A1 (en) * | 1982-12-23 | 1984-08-01 | THE PROCTER & GAMBLE COMPANY | Article and method for maintaining more even concentrations of bleach in a passive dosing dispenser |
EP0115096A1 (en) * | 1982-12-23 | 1984-08-08 | THE PROCTER & GAMBLE COMPANY | Particle retaining means for bleach cake in passive dosing dispenser |
US4453278A (en) * | 1983-01-06 | 1984-06-12 | Knomark, Inc. | Chemical dispenser |
US4485500A (en) * | 1983-01-06 | 1984-12-04 | Knomark, Inc. | Gas binding resistant chemical dispenser |
US4451941A (en) * | 1983-04-18 | 1984-06-05 | Sterling Drug, Inc. | Toilet bowl sanitizer dispenser |
DE3315873A1 (en) * | 1983-04-30 | 1984-10-31 | Henkel KGaA, 4000 Düsseldorf | WATERCASE MACHINE |
US4536367A (en) * | 1983-12-09 | 1985-08-20 | The Hilton-Davis Chemical Co. | Method for sanitizing toilets |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5091107A (en) * | 1989-10-20 | 1992-02-25 | The Drackett Company | Chlorine dioxide generating device |
US6055679A (en) * | 1995-03-03 | 2000-05-02 | S. C. Johnson & Son, Inc. | Passive lavatory cleanser dispensing system |
US6071483A (en) * | 1996-08-02 | 2000-06-06 | Pastore; Mauro | Reactor vessel and process for preparing a controlled-dosage chlorine dioxide solution |
US7073209B1 (en) | 2005-05-18 | 2006-07-11 | Mccormick Kevin | Passive sanitizing-tablet dispensing device |
WO2008062364A1 (en) * | 2006-11-21 | 2008-05-29 | Valagam Raghunathan | A dissolvable-material dispenser for a toilet |
US20150345123A1 (en) | 2014-05-27 | 2015-12-03 | As Ip Holdco, Llc | Sanitaryware cleaning system |
US10294643B2 (en) | 2014-05-27 | 2019-05-21 | As Ip Holdco, Llc | Sanitaryware cleaning system |
US10465366B2 (en) | 2014-05-27 | 2019-11-05 | As America, Inc. | Sanitaryware cleaning system |
USD914838S1 (en) | 2015-05-27 | 2021-03-30 | AS America Inc. | Cartridge |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7073209B1 (en) | Passive sanitizing-tablet dispensing device | |
US4597941A (en) | Toilet cleaning article and method for codispensing disinfectant and dye having resistance to spectral degradation | |
US4438534A (en) | Passive dispenser | |
US4419771A (en) | Passive dispenser | |
US4709423A (en) | Toilet tank dispenser | |
US4530118A (en) | Passive dispenser | |
US4459710A (en) | Passive dispenser | |
CN101103158B (en) | Liquid chemical distributor and chemical | |
US4453278A (en) | Chemical dispenser | |
US4668475A (en) | Cleaning and disinfecting method and article of manufacture including color display | |
US3778849A (en) | Automatic dispensing apparatus | |
US4539179A (en) | Method for cleansing and disinfecting toilet tanks and bowls | |
US4435857A (en) | Apparatus for cleansing and disinfecting toilet tanks and bowls | |
US4485500A (en) | Gas binding resistant chemical dispenser | |
US4467480A (en) | Toilet bowl water conditioner | |
US4480342A (en) | Passive dispenser | |
US4821346A (en) | Toilet bowl cleaning composition dispenser | |
US4451941A (en) | Toilet bowl sanitizer dispenser | |
CA1242628A (en) | Cleaning and disinfecting systems including color display means | |
US4729880A (en) | Article for maintaining more even concentrations of bleach in a passive dosing dispenser | |
US20180305913A1 (en) | Tablet Diffusing Device | |
US20070006370A1 (en) | Urinal | |
CA1287948C (en) | Passive dosing dispenser employing captive, internally-generated gas bubble to provide product isolation | |
EP1595037B1 (en) | Multiple liquid active substance dispenser for w.c. bowl | |
US4434136A (en) | Tapered-bottom bleach cake for sanitation dosing dispenser |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Fee payment |
Year of fee payment: 4 |
|
AS | Assignment |
Owner name: NEW DRACKETT, INC., OHIO Free format text: MERGER;ASSIGNOR:DRACKETT COMPANY, THE;REEL/FRAME:006667/0985 Effective date: 19921231 Owner name: DRACKETT COMPANY, THE, OHIO Free format text: CHANGE OF NAME;ASSIGNOR:NEW DRACKETT, INC.;REEL/FRAME:006667/0969 Effective date: 19930108 |
|
AS | Assignment |
Owner name: S. C. JOHNSON & SON, INC., WISCONSIN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:DRACKETT COMPANY, THE;REEL/FRAME:006735/0129 Effective date: 19930625 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19991201 |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |